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Number of cycles in range [A014137(n-1)..A014138(n-1)] of permutations A130935/A130936.
1

%I #2 Mar 31 2012 13:21:16

%S 1,1,2,4,9,20,51,128,345,944,2658,7600,22150

%N Number of cycles in range [A014137(n-1)..A014138(n-1)] of permutations A130935/A130936.

%K nonn

%O 0,3

%A _Antti Karttunen_, Jun 11 2007